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Community Water System · PWS KY0240329

Oak Grove Utilities Office

Oak Grove, Kentucky 42262 - drinking water served from surface water sources to 8,762 people, tracked in EPA SDWIS and UCMR5.

8,762
People served
126
EPA violations
5
Health-based
1 PFAS
UCMR5 result

The verdict

EPA records 126 drinking-water violations at Oak Grove Utilities Office, 4% of them health-based - below the Kentucky per-system average, and UCMR5 testing detected 1 PFAS compound.

126
Total EPA violations on record
4%
Health-based (MCL / treatment failure)
8,762
People served by this system
1
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Oak Grove Utilities Office

Oak Grove Utilities Office is a local-owned community water system that delivers drinking water to 8,762 residents in Oak Grove, Kentucky (Christian County) through 3,800 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 126 total violations for this system , of which 5 (4%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 113 monitoring and reporting violations are on file. The most recent violation on record dates to 2006.

The most frequently cited contaminant at this system is Nitrate, recorded in 13 violations (MR). Under EPA's UCMR5 PFAS monitoring program, 1 PFAS compound was detected in samples collected from this system, with a maximum reported concentration of 5.2 ppt (parts per trillion). PFAS are persistent synthetic chemicals linked to health effects at very low exposure levels.

Across Kentucky, EPA tracks 424 public water systems serving 4,570,541 people, with 80,482 cumulative violations and 12,554 health-based violations on record. About 99% of systems in the state carry at least one violation, and state-wide the average per system is 189.8 violations. Statewide, 107 of 231 UCMR5-tested systems have reported PFAS detections (46.3%).

Oak Grove Utilities Office's 126 violations sit below the Kentucky average.

All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

PFAS Detected

1 PFAS "forever chemicals" detected in testing under EPA's UCMR5 monitoring program.

Population Served
8,762
Total Violations
126
Health-Based Violations
5
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
3,800
County
Christian
School/Daycare
No
MCL Violations
1
Monitoring Violations
113
Treatment Tech Violations
4

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Nitrate MR 13 1998
Lead and Copper Rule MR 4 1993
cis-1,2-Dichloroethylene MR 4 1996
Xylenes, Total MR 4 1996
DICHLOROMETHANE MR 4 1996
Vinyl chloride MR 4 1996
trans-1,2-Dichloroethylene MR 4 1996
1,2-Dichloropropane MR 4 1996
Trichloroethylene MR 4 1996
Tetrachloroethylene MR 4 1996
Ethylbenzene MR 4 1996
Consumer Confidence Rule Other 4 2005
Asbestos MR 4 2002
Coliform (TCR) MR 4 2006
1,2-Dichloroethane MR 4 1996
Surface Water Treatment Rule TT 4 2000
CHLOROBENZENE MR 4 1996
Toluene MR 4 1996
1,1,1-Trichloroethane MR 4 1996
1,2,4-Trichlorobenzene MR 4 1996
1,1,2-Trichloroethane MR 4 1996
o-Dichlorobenzene MR 4 1996
1,1-Dichloroethylene MR 4 1996
p-Dichlorobenzene MR 4 1996
Styrene MR 4 1996
Carbon tetrachloride MR 4 1996
Benzene MR 4 1996
Gross Alpha, Excl. Radon and U MR 3 1995
Barium MR 1 1988
Barium MCL 1 1988

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 1 of 116 samples detected PFAS.

Contaminant Date Result MRL Status
PFMBA 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
HFPO-DA 8/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFBA 8/10/2023 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 8/10/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFPeA 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
ADONA 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFDA 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFEESA 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 8/10/2023 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 8/10/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 8/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFUnA 8/10/2023 <2.00 ppt 2.00 ppt Not Detected
PFHpA 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFOA 8/10/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 8/10/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 8/10/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxS 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 8/10/2023 <7.00 ppt 7.00 ppt Not Detected
PFBS 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
PFMPA 8/10/2023 <4.00 ppt 4.00 ppt Not Detected
PFHxA 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 8/10/2023 <5.00 ppt 5.00 ppt Not Detected
PFHpS 8/10/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 8/10/2023 <6.00 ppt 6.00 ppt Not Detected
PFTA 8/10/2023 <8.00 ppt 8.00 ppt Not Detected
PFPeS 8/10/2023 <4.00 ppt 4.00 ppt Not Detected
NFDHA 8/10/2023 <20.00 ppt 20.00 ppt Not Detected
PFDA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 5/3/2023 <6.00 ppt 6.00 ppt Not Detected
PFTA 5/3/2023 <8.00 ppt 8.00 ppt Not Detected
PFTrDA 5/3/2023 <7.00 ppt 7.00 ppt Not Detected
PFPeS 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
6:2 FTS 5/3/2023 <5.00 ppt 5.00 ppt Not Detected
4:2 FTS 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 5/3/2023 <5.00 ppt 5.00 ppt Not Detected
NFDHA 5/3/2023 <20.00 ppt 20.00 ppt Not Detected
PFBA 5/3/2023 5.20 ppt 5.00 ppt Detected
PFHpS 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFDoA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFHxA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected
PFUnA 5/3/2023 <2.00 ppt 2.00 ppt Not Detected
11Cl-PF3OUdS 5/3/2023 <5.00 ppt 5.00 ppt Not Detected
PFOA 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
PFOS 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
PFMPA 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
PFNA 5/3/2023 <4.00 ppt 4.00 ppt Not Detected
9Cl-PF3ONS 5/3/2023 <2.00 ppt 2.00 ppt Not Detected
PFPeA 5/3/2023 <3.00 ppt 3.00 ppt Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records, or to file a complaint, request a Consumer Confidence Report, or check current monitoring status, go directly to the federal and state regulators that enforce the Safe Drinking Water Act for Oak Grove Utilities Office.

Federal Source of Truth

EPA SDWIS, Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID KY0240329 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

Kentucky Drinking Water Authority

Kentucky's primacy agency administers the Safe Drinking Water Act locally. Search EPA SDWIS for the current state contact, or use the state's public health or environment department portal.

Find KY regulator via EPA SDWIS

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2006 Coliform (TCR) MR 4 SDWIS / KY0240329 / 3100
2005 Consumer Confidence Rule Other 4 SDWIS / KY0240329 / 7000
2002 Asbestos MR 4 SDWIS / KY0240329 / 1094
2000 Surface Water Treatment Rule TT 4 SDWIS / KY0240329 / 0200
1998 Nitrate MR 13 SDWIS / KY0240329 / 1040
1996 cis-1,2-Dichloroethylene MR 4 SDWIS / KY0240329 / 2380
1996 Xylenes, Total MR 4 SDWIS / KY0240329 / 2955
1996 DICHLOROMETHANE MR 4 SDWIS / KY0240329 / 2964
1996 Vinyl chloride MR 4 SDWIS / KY0240329 / 2976
1996 trans-1,2-Dichloroethylene MR 4 SDWIS / KY0240329 / 2979
1996 1,2-Dichloropropane MR 4 SDWIS / KY0240329 / 2983
1996 Trichloroethylene MR 4 SDWIS / KY0240329 / 2984
1996 Tetrachloroethylene MR 4 SDWIS / KY0240329 / 2987
1996 Ethylbenzene MR 4 SDWIS / KY0240329 / 2992
1996 1,2-Dichloroethane MR 4 SDWIS / KY0240329 / 2980

How Oak Grove Utilities Office Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric Oak Grove Utilities Office Kentucky avg Federal benchmark
Total violations 126 189.8 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 5 29.6 Indicates a contaminant exceeded a federal MCL
PFAS detection 1 compound 46.3% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 8,762 10,780 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 424 regulated public water systems in Kentucky.

Federal MCL reference, Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Oak Grove Utilities Office water safe to drink?
Oak Grove Utilities Office (PWS ID: KY0240329) has 126 recorded violations in the EPA SDWIS database. PFAS contamination has been detected in UCMR5 testing, with 1 PFAS compound found. This system serves 8,762 people using Surface Water sources.
How many people does Oak Grove Utilities Office serve?
Oak Grove Utilities Office serves 8,762 people in Oak Grove, Kentucky. It is a Local-owned system using Surface Water water sources with 3,800 service connections.
What type of violations does Oak Grove Utilities Office have?
Oak Grove Utilities Office has 126 total violations: 5 health-based violations (MCL exceedances or treatment failures), 113 monitoring/reporting violations, and 4 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Oak Grove Utilities Office water?
Yes. UCMR5 testing detected 1 PFAS compound in Oak Grove Utilities Office's water supply: PFBA. PFAS are persistent "forever chemicals" that do not break down in the environment.
What water source does Oak Grove Utilities Office use?
Oak Grove Utilities Office uses Surface Water as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.